The Grammar Whose Productions Are

question 15

Multiple Choice

The grammar whose productions are
? if id then
? if id then else
? id := id
Is ambiguous because
A- the sentence if a then if b then c:= d has two parse trees
B- the left most and right most derivations of the sentence if a then if b then c:= d give rise to different parse trees
C- the sentence if a then if b then c:= d else c:= f has more than two parse trees
D- the sentence if a then if b then c:= d else c:= f has two parse trees

• A)a
• B)b
• C)c
• D)d

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Definitions:

Inverse Demand Function

A mathematical function that expresses price as a function of quantity demanded, illustrating how the price necessary to sell a given quantity changes.

Price

The amount of money required to purchase a good or service, often determined by supply and demand dynamics in the market.

Income

Funds accumulated over time from work or investing efforts, usually received systematically.

Utility Function

A representation in economics of how a consumer ranks different bundles of goods according to their level of satisfaction or happiness.